Revert "fix(@angular/build): preserve names in esbuild for improved d… #1978

Job	Run time
build	15s
lint	2m 32s
build-e2e-windows	20s
publish-snapshots	0s
Browser Compatibility Tests	0s
test	0s
e2e-package-managers	0s
e2e	0s
e2e-snapshots	0s
e2e-windows	0s
	3m 7s

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